Working lamp



FIG. 1 is a front view of the working lamp;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a perspective view thereof. 

CLAIM The ornamental design for a working lamp, as shown and described. 